or you may know her as porsche degeneres. she took ellen degeneres' name. her memoir, "unbearable lightness," talks about the turmoil she went through. p po portia, it's great to see you. >> thank you, robin. >> i'm hard-pressed to remember a book that was just incredibly revealing. and feel it's going to impact many lives. and it goes back to the root of it. and you were a model, which i didn't realize, at a very young age, at 12. it's tough being 12 anyway. but being a model and 12? >> yeah. it was -- yes. a 12-year-old model. i mean, from that age, i learned that what i looked like was more important than what i thought, what i did and who i was. i think when your self-esteem is based on how you look, you're always going to be insecure. there's always a fresher face, a thinner girl. while i was thin at 12, i still wasn't model thin. so, i had to diet to be professional, to make sure that i kept working. and that's the start of it. >> that is the root of it. so, when we see you, and the first time many of us got to know you, was on the beloved show in the